Your software
My Mautic version is: v5.1.1
My PHP version is: 8.1.30
My Database type and version is: sql?
Your problem
My problem is: I had Mautic upgrade from 3.31 to the latest version 5.1.1. I am trying to connect to my Sendgrid account, entered the SMTP info, but keep getting Connection
Refused errors
These errors are showing in the log:
Steps I have tried to fix the problem: I have used ports 25, 587
(for unencrypted/TLS connections)
as well as: 465
